JOURNAL 



JOpiD JBopk 6lntDraoIogirfll %nM^. 



\^ol. X. DECEMBER, 1902. No. 4. 



NEW ACALYPTRATE DIPTERA FROM 

 NORTH AMERICA. 



By D. W. Coquillett. 



Family Micropezid^. 

 Micropeza bisetosa, sp. nov. 



Black, the lower side of the third antenna] joint, upper part of the face, the cheeks, 

 mouth parts, lower part of occiput, posterior margin of each abdominal segment, 

 greater part of male hypopygium, stems of halteres, coxse and bases of femora, 

 yellow ; mesonotum gray pruinose, marked with four brownish vittse, two posthu- 

 meral bristles each side ; wings hyaline, unmarked. Length, 5 mm. 



Habitat. — Prescott, Arizona (June 6), and Las Vegas Hot 

 Springs, New Mexico (August 9). 



A specimen of each sex collected by Mr. H. S. Barber. Type 

 No. 6626, U. S. N. M. 



Family Sapromyzid.^. 

 Sapromyza glauca, sp. nov. 



Black, the antennae, a transverse streak above them, the palpi, halteres, abdo- 

 men except the first segment and spot on each side of the others, the bases and a 

 broad ring at middle of tibiae, and broad bases of the middle and hind tarsi, yellow ; 

 head, thorax and .scutellum bluish-gray pruinose, a -black, spot on each side of 

 antennas, third joint of antennae less than twice as long as wide, arista rather long- 

 plumose, face slightly concave ; four pairs of dorsocentral bristles, the bristly hairs 

 between them arranged in four rows, two sternopleural bristles ; wings tinged with 

 yellow. Length, 3 mm. 



Habitat. — Marlboro, Maryland. 



A single specimen, collected May 13, by Mr. H. S. Barber. 

 Type No. 6627, U. S. N. M. 



